Changeset a0a134b in mainline for uspace/lib/c

Timestamp:

2011-04-13T18:27:21Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4c70554

Parents:

d6522dd (diff), b77ce84 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Development branch changes

Location:

uspace/lib/c

Files:

• arch/mips32/include/atomic.h (modified) (1 diff)
• generic/adt/measured_strings.c (modified) (1 diff)
• generic/async.c (modified) (2 diffs)
• generic/vfs/vfs.c (modified) (2 diffs)
• include/async.h (modified) (2 diffs)

uspace/lib/c/arch/mips32/include/atomic.h

@@ -70 +70 @@
                 "       sc %0, %1\n"
                 "       beq %0, %4, 1b\n"       /* if the atomic operation failed, try again */
-                /*      nop     */              /* nop is inserted automatically by compiler */
                 "       nop\n"
                 : "=&r" (tmp),

uspace/lib/c/generic/adt/measured_strings.c

@@ -74 +74 @@
         new->length = length;
         new->value = ((uint8_t *) new) + sizeof(measured_string_t);
-        // append terminating zero explicitly - to be safe
+        /* Append terminating zero explicitly - to be safe */
         memcpy(new->value, string, new->length);
         new->value[new->length] = '\0';

uspace/lib/c/generic/async.c

@@ -1586 +1586 @@
  * @param dst     Address of the beginning of the destination buffer.
  * @param size    Size of the destination buffer.
+ * @param flags   Flags to control the data transfer.
  *
  * @return Zero on success or a negative error code from errno.h.
  *
  */
-int async_data_read_start(int phoneid, void *dst, size_t size)
-{
-        return async_req_2_0(phoneid, IPC_M_DATA_READ, (sysarg_t) dst,
-            (sysarg_t) size);
+int
+async_data_read_start_generic(int phoneid, void *dst, size_t size, int flags)
+{
+        return async_req_3_0(phoneid, IPC_M_DATA_READ, (sysarg_t) dst,
+            (sysarg_t) size, (sysarg_t) flags);
 }
 
@@ -1683 +1685 @@
  * @param src     Address of the beginning of the source buffer.
  * @param size    Size of the source buffer.
+ * @param flags   Flags to control the data transfer.
  *
  * @return Zero on success or a negative error code from errno.h.
  *
  */
-int async_data_write_start(int phoneid, const void *src, size_t size)
-{
-        return async_req_2_0(phoneid, IPC_M_DATA_WRITE, (sysarg_t) src,
-            (sysarg_t) size);
+int
+async_data_write_start_generic(int phoneid, const void *src, size_t size,
+    int flags)
+{
+        return async_req_3_0(phoneid, IPC_M_DATA_WRITE, (sysarg_t) src,
+            (sysarg_t) size, (sysarg_t) flags);
 }
 

uspace/lib/c/generic/vfs/vfs.c

@@ -378 +378 @@
         
         req = async_send_1(vfs_phone, VFS_IN_READ, fildes, &answer);
-        rc = async_data_read_start(vfs_phone, (void *)buf, nbyte);
+        rc = async_data_read_start_generic(vfs_phone, (void *) buf, nbyte,
+            IPC_XF_RESTRICT);
         if (rc != EOK) {
                 vfs_exchange_end(vfs_phone);
@@ -407 +408 @@
         
         req = async_send_1(vfs_phone, VFS_IN_WRITE, fildes, &answer);
-        rc = async_data_write_start(vfs_phone, (void *)buf, nbyte);
+        rc = async_data_write_start_generic(vfs_phone, (void *) buf, nbyte,
+            IPC_XF_RESTRICT);
         if (rc != EOK) {
                 vfs_exchange_end(vfs_phone);

uspace/lib/c/include/async.h

@@ -341 +341 @@
 
 extern aid_t async_data_read(int, void *, size_t, ipc_call_t *);
-extern int async_data_read_start(int, void *, size_t);
+#define async_data_read_start(p, buf, len) \
+        async_data_read_start_generic((p), (buf), (len), IPC_XF_NONE)
+
+extern int async_data_read_start_generic(int, void *, size_t, int);
 extern bool async_data_read_receive(ipc_callid_t *, size_t *);
 extern int async_data_read_finalize(ipc_callid_t, const void *, size_t);
@@ -380 +383 @@
             (arg4), (answer))
 
-extern int async_data_write_start(int, const void *, size_t);
+#define async_data_write_start(p, buf, len) \
+        async_data_write_start_generic((p), (buf), (len), IPC_XF_NONE)
+
+extern int async_data_write_start_generic(int, const void *, size_t, int);
 extern bool async_data_write_receive(ipc_callid_t *, size_t *);
 extern int async_data_write_finalize(ipc_callid_t, void *, size_t);